125003898 has 20 divisors (see below), whose sum is σ = 280101690. Its totient is φ = 41667912.

The previous prime is 125003887. The next prime is 125003909. The reversal of 125003898 is 898300521.

It is an interprime number because it is at equal distance from previous prime (125003887) and next prime (125003909).

It can be written as a sum of positive squares in only one way, i.e., 69605649 + 55398249 = 8343^2 + 7443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 385653 + ... + 385976.

Almost surely, 2^125003898 is an apocalyptic number.

125003898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125003898 is an abundant number, since it is smaller than the sum of its proper divisors (155097792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125003898 is an equidigital number, since it uses as much as digits as its factorization.

125003898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771643 (or 771634 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 125003898 is about 11180.5142099995. The cubic root of 125003898 is about 500.0051972793.

The spelling of 125003898 in words is "one hundred twenty-five million, three thousand, eight hundred ninety-eight".